Nasution, Rojesh Mangaraja Soalohon, and Andreas Rio Adriyanto. “OPTIMIZING USER INTERFACE DESIGN LANDING PAGE WITH HCD (HUMAN CENTERED DESIGN) A CASE STUDY OF MELANGKAH ADS ”. Proceeding International Conference on Information Technology, Multimedia, Architecture, Design, and E-Business 3 (December 28, 2024): 497–507. Accessed September 6, 2025. https://eprosiding.idbbali.ac.id/index.php/imade/article/view/937.